Related:

• Be not as one that hath ten thousand years to live
  death is nigh at hand: while thou livest, while thou hast time, be good....
• Let not thy mind run on what thou lackest as much as on what thou hast already.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, vii, 27...
• That which comes after ever conforms to that which has gone before.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, iv, 45...
• This Being of mine, whatever it really is, consists of a little flesh, a little breath, and the part which governs.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, ii, 2...
• Whatever happens at all happens as it should; thou wilt find this true, if thou shouldst watch narrowly.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, iv, 10...
• All is ephemeral,--fame and the famous as well.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, iv, 35...
• Death, like generation, is a secret of Nature.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, iv, 5...
• The universe is change; our life is what our thoughts make it.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, iv, 3...